2017-06-08_509bba0/509bba0_unpacked_with_node_modules/~/fbjs/lib/getMarkupWrap.js
2022-07-26 10:06:20 -07:00

101 lines
No EOL
3.1 KiB
JavaScript
Executable file

'use strict';
/**
* Copyright (c) 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
/*eslint-disable fb-www/unsafe-html */
var ExecutionEnvironment = require('./ExecutionEnvironment');
var invariant = require('./invariant');
/**
* Dummy container used to detect which wraps are necessary.
*/
var dummyNode = ExecutionEnvironment.canUseDOM ? document.createElement('div') : null;
/**
* Some browsers cannot use `innerHTML` to render certain elements standalone,
* so we wrap them, render the wrapped nodes, then extract the desired node.
*
* In IE8, certain elements cannot render alone, so wrap all elements ('*').
*/
var shouldWrap = {};
var selectWrap = [1, '<select multiple="true">', '</select>'];
var tableWrap = [1, '<table>', '</table>'];
var trWrap = [3, '<table><tbody><tr>', '</tr></tbody></table>'];
var svgWrap = [1, '<svg xmlns="http://www.w3.org/2000/svg">', '</svg>'];
var markupWrap = {
'*': [1, '?<div>', '</div>'],
'area': [1, '<map>', '</map>'],
'col': [2, '<table><tbody></tbody><colgroup>', '</colgroup></table>'],
'legend': [1, '<fieldset>', '</fieldset>'],
'param': [1, '<object>', '</object>'],
'tr': [2, '<table><tbody>', '</tbody></table>'],
'optgroup': selectWrap,
'option': selectWrap,
'caption': tableWrap,
'colgroup': tableWrap,
'tbody': tableWrap,
'tfoot': tableWrap,
'thead': tableWrap,
'td': trWrap,
'th': trWrap
};
// Initialize the SVG elements since we know they'll always need to be wrapped
// consistently. If they are created inside a <div> they will be initialized in
// the wrong namespace (and will not display).
var svgElements = ['circle', 'clipPath', 'defs', 'ellipse', 'g', 'image', 'line', 'linearGradient', 'mask', 'path', 'pattern', 'polygon', 'polyline', 'radialGradient', 'rect', 'stop', 'text', 'tspan'];
svgElements.forEach(function (nodeName) {
markupWrap[nodeName] = svgWrap;
shouldWrap[nodeName] = true;
});
/**
* Gets the markup wrap configuration for the supplied `nodeName`.
*
* NOTE: This lazily detects which wraps are necessary for the current browser.
*
* @param {string} nodeName Lowercase `nodeName`.
* @return {?array} Markup wrap configuration, if applicable.
*/
function getMarkupWrap(nodeName) {
!!!dummyNode ? process.env.NODE_ENV !== 'production' ? invariant(false, 'Markup wrapping node not initialized') : invariant(false) : void 0;
if (!markupWrap.hasOwnProperty(nodeName)) {
nodeName = '*';
}
if (!shouldWrap.hasOwnProperty(nodeName)) {
if (nodeName === '*') {
dummyNode.innerHTML = '<link />';
} else {
dummyNode.innerHTML = '<' + nodeName + '></' + nodeName + '>';
}
shouldWrap[nodeName] = !dummyNode.firstChild;
}
return shouldWrap[nodeName] ? markupWrap[nodeName] : null;
}
module.exports = getMarkupWrap;
//////////////////
// WEBPACK FOOTER
// ./~/fbjs/lib/getMarkupWrap.js
// module id = 2323
// module chunks = 4